import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

const router = new Router({
	mode:'history',
  routes: [
    { path: '/', redirect: '/login' },
    { path: '/login', component: () => import('../components/Login.vue') },
    {
      path: '/home',
      component: () => import('../components/Home.vue'),
      redirect: '/sets',
      children: [
        { path: '/users', component: () => import('../components/user/Users.vue') },
        { path: '/rights', component: () => import('../components/power/Rights.vue') },
        { path: '/roles', component: () => import('../components/power/Roles.vue') },
        { path: '/categories', component: () => import('../components/goods/Cate.vue') },
        { path: '/params', component: () => import('../components/goods/Params.vue') },
        { path: '/goods', component: () => import('../components/goods/List.vue') },
        { path: '/goods/add', component: () => import('../components/goods/Add.vue') },
        { path: '/orders', component: () => import('../components/order/Order.vue') },
        { path: '/reports', component: () => import('../components/report/Report.vue') },
        { path: '/shops', component: () => import('../components/store/Shop.vue') },
        { path: '/manages', component: () => import('../components/store/Manage.vue') },
        { path: '/sets', component: () => import('../components/sets/Set.vue') }
      ]
    },
		 { path: '*', component: () => import('../components/NotFound.vue') }
  ]
})

router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  //     next()  放行    next('/login')  强制跳转

  // 如果用于访问的登录页,直接放行
  if (to.path === '/login') return next()
  // 从sessionStorage中获取保存的tokenzh值
  const tokenStr = window.sessionStorage.getItem('token')
  // 如果没有token,强制跳转到登录页
  if (!tokenStr) return next('/login')
  next()
})

export default router
